Nile Bits provides the best digital services that deliver scalable, robust, and cost effective digital solutions
Senior Frontend Developer, React
Location
Egypt
Posted
92 days ago
Salary
0
Seniority
Senior
Job Description
Senior Frontend Developer, React
Nile Bits, LLC.
• Lead the migration from Chakra UI v2.8 to Radix UI / Base UI with shadcn and Tailwind CSS • Architect and maintain a scalable, extensible design system • Design and optimize complex React component architectures for dynamic website builder environments • Implement SSR and React Server Components using Next.js App Router • Ensure high performance across deeply nested dynamic component trees • Prevent unnecessary re-renders and optimize rendering lifecycle behavior • Design and manage scalable state architectures using Redux and/or Zustand • Model normalized state, slice-based architecture, and undo/redo systems • Define local vs global state boundaries for optimal performance • Implement drag-and-drop state handling, optimistic updates, and layout persistence • Establish strict TypeScript patterns across large UI surfaces • Design token-driven theming strategies including dark mode and brand themes • Enforce accessibility standards including ARIA compliance, keyboard navigation, and focus management • Optimize bundle size, apply code splitting, and implement lazy loading strategies • Implement virtualization and event debouncing for high-frequency UI interactions • Define frontend architectural boundaries across primitives, design system, editor logic, and runtime rendering layers • Plan and execute incremental UI migration strategies with feature flags and compatibility adapters • Define and implement testing strategies including unit, integration, visual regression, accessibility, and E2E testing • Improve developer experience through CI/CD improvements, monorepo optimization, and build performance enhancements • Maintain design system documentation using Storybook • Mentor engineers on state isolation, accessibility best practices, and scalable component APIs • Conduct architectural RFCs and review code to ensure long-term platform stability • Balance product flexibility and constraint in a complex website builder environment • Ensure backward compatibility and extensibility across evolving UI layers
Job Requirements
- 5+ years of frontend engineering experience with advanced React expertise
- Deep understanding of React internals including reconciliation, rendering lifecycle, and memoization strategies
- Strong experience with Next.js including SSR, React Server Components, streaming, and data fetching patterns
- Proven experience designing scalable state architectures with Redux and/or Zustand
- Hands-on experience building or maintaining a production-grade design system
- Experience migrating UI component libraries safely and incrementally
- Strong expertise in Radix UI or similar headless component libraries
- Advanced proficiency with Tailwind CSS and Class Variance Authority (CVA)
- Expert-level TypeScript including generics, discriminated unions, mapped types, and utility types
- Strong understanding of semantic HTML, accessibility standards, and cross-browser behavior
- Solid foundation in JavaScript internals including closures, async patterns, and event loop mechanics
- Experience optimizing performance in large, dynamic, interactive applications
- Experience with Jest or Vitest, React Testing Library, and E2E testing tools such as Playwright or Cypress
- Familiarity with modern build tools including Vite, Webpack, or Turborepo
- Experience working in monorepo environments
- Familiarity with performance monitoring tools such as Sentry and Web Vitals
- Strong system design and architectural decision-making skills
- Demonstrated leadership in frontend platform ownership and mentoring engineers
Benefits
- All employees benefits for free (our famous games room, daily breakfast, fruits, coffee and other hot drinks, soft drinks and juices, company days out and parties…)
- Social insurance
- Open-door management policy
- Full Medical insurance
- Accommodation and Transportation Allowance
- Friendly environment that values innovation and efficiency
- Exciting opportunities for career growth and talent development
- Feedback encouragement
- Recognition and reward programs
- Competitive salaries and incentives
- Friendly environment
- Flexible and Comfortable schedule
- Fun committees
- Monetary rewards
- Fun, smart and creative people
- Career possibilities with growing team
- Paid vacations
- Social benefits
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